As an important member of the Chinese nation，the Yi nationality has a long history with extensive and profound culture. Countless artists have made unremitting efforts to spread and develop the folk art of Yi nationality. This article introduces and studies "Yi paintings"by Agu Zamo who initiates the concept of “Yi Art” and devotes himself in the research of it by analyzing the spirits of the Yi nation in the Yi epics and customs implied in these paintings，which integrate modern painting skills into the traditional paintings so that they boast diversified expressive means. These paintings also exploit and innovate the "three-color culture" of Yi people to reserve and promote the national culture. This paper verifies that Agu Zamo has made major contributions to the spread and development of Liangshan Yi culture.